/*
 * Copyright (c) 2004 - 2012; Mirko Nasato and contributors
 *               2016 - 2022; Simon Braconnier and contributors
 *               2022 - present; JODConverter
 *
 * This file is part of JODConverter - Java OpenDocument Converter.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jodconverter.cli.util;

import org.junit.jupiter.api.extension.AfterAllCallback;
import org.junit.jupiter.api.extension.BeforeAllCallback;
import org.junit.jupiter.api.extension.ExtensionContext;

/**
 * Extension providing a way to prevent a call to System.exit to actually shut down the VM. Instead,
 * a ExitException is thrown.
 */
public class NoExitExtension implements BeforeAllCallback, AfterAllCallback {

  @Override
  public void beforeAll(final ExtensionContext context) {

    // Don't allow the program to exit the VM
    System.setSecurityManager(new NoExitSecurityManager());
  }

  @Override
  public void afterAll(final ExtensionContext context) {

    // Restore security manager
    System.setSecurityManager(null);
  }
}
